102222120312 has 128 divisors (see below), whose sum is σ = 315657216000. Its totient is φ = 30438322560.

The previous prime is 102222120307. The next prime is 102222120323. The reversal of 102222120312 is 213021222201.

102222120312 is a `hidden beast` number, since 10 + 2 + 222 + 120 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 500112 + ... + 674207.

It is an arithmetic number, because the mean of its divisors is an integer number (2466072000).

Almost surely, 2^102222120312 is an apocalyptic number.

102222120312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102222120312 is an abundant number, since it is smaller than the sum of its proper divisors (213435095688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102222120312 is a wasteful number, since it uses less digits than its factorization.

102222120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174378 (or 1174368 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102222120312 its reverse (213021222201), we get a palindrome (315243342513).

The spelling of 102222120312 in words is "one hundred two billion, two hundred twenty-two million, one hundred twenty thousand, three hundred twelve".